How To Build An Exterior Wall On Concrete Slab

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How to build an exterior wall on concrete slab.

Learn how to build a low wall from concrete breezeblocks. An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab. Use a hammer drill with 3 16 masonry bit to drill a hole through the wood and into the concrete floor. Cut pressure treated 2 x 4 boards to length and lay them along the chalk line.

How to pour a concrete slab. These lintels are available in lengths up to 10 ft. Your local building code may call for the wall to be anchored to the slab with threaded rods. The bulk of the work for a new slab is in the excavation and form building.

If you have to level a sloped site or bring in a lot of fill hire an excavator for a day to help prepare the site. Consider a wood shed floor treated lumber joists and plywood. To lay new concrete sweep and clean the old concrete and saturate the old concrete with water. Repeat at the other end of the board.

Width will work with a 2 4 wall on top. Step 1 stretch a tape measure across the concrete slab and mark the position of the wall s ends. If this is the case drill through the curb and into the slab with a roto hammer every few feet. Use an impact driver to drive a 3 tapcon screw through the wood and into the floor.

With simple materials and readily available tools the novice carpenter can lay out build and anchor walls on concrete slabs. Make sure the braces are level and lay down a barrier of wire mesh over the existing concrete inside of the barrier. Walls are built from the ground up. Run a chalk snap line between the marks and snap the line against the slab to lay out the position of one of the wall s sides.

Exterior wall on slab must be out on the edge.